MOHAMMED HASSAN KHALAF, Walaa. Electronic Nose System for Safety Monitoring at Refineries. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 16, n. 4, p. 220–228, 2012. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1237.. Acesso em: 6 may. 2025.